HD 220105
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Andromeda |
Right ascension | 23h 20m 44.099s[1] |
Declination | +44° 06′ 58.21″[1] |
Apparent magnitude (V) | 6.24[2] |
Characteristics | |
Spectral type | A5Vn[3] |
U−B color index | 0.10[2] |
B−V color index | 0.14[2] |
Astrometry | |
Radial velocity (Rv) | -1.8[4] km/s |
Proper motion (μ) | RA: ±0.42 −8.95[1] mas/yr Dec.: ±0.41 −36.13[1] mas/yr |
Parallax (π) | 13.29 ± 0.58[1] mas |
Distance | 250 ± 10 ly (75 ± 3 pc) |
Details | |
Rotational velocity (v sin i) | 259[5] km/s |
Other designations | |
Database references | |
SIMBAD | data |
Database references | |
SIMBAD | data |
HD 220105 is a star in the northern constellation of Andromeda.
References
- 1 2 3 4 5 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.
- 1 2 3 Oja, T. (August 1991), "UBV photometry of stars whose positions are accurately known. VI", Astronomy and Astrophysics Supplement Series, 89 (2): 415–419, Bibcode:1991A&AS...89..415O.
- ↑ Cowley, A.; et al. (April 1969), "A study of the bright A stars. I. A catalogue of spectral classifications", Astronomical Journal, 74: 375–406, Bibcode:1969AJ.....74..375C, doi:10.1086/110819.
- ↑ Kharchenko, N. V.; et al. (2007). "Astrophysical supplements to the ASCC-2.5: Ia. Radial velocities of ˜55000 stars and mean radial velocities of 516 Galactic open clusters and associations". Astronomische Nachrichten. 328 (9): 889. arXiv:0705.0878. Bibcode:2007AN....328..889K. doi:10.1002/asna.200710776.
- ↑ Royer, F.; Zorec, J.; Gómez, A. E. (February 2007), "Rotational velocities of A-type stars. III. Velocity distributions", Astronomy and Astrophysics, 463 (2): 671–682, arXiv:astro-ph/0610785, Bibcode:2007A&A...463..671R, doi:10.1051/0004-6361:20065224.
External links
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